Reuters Sports News Summary

NEW YORK (Reuters) - Lance Armstrong finally confessed to using performance enhancing drugs during his cycling career on Thursday, admitting he cheated to win all seven of his Tour de France titles. Describing himself as a "bully" and a "deeply flawed character", Armstrong ended years of denials by revealing his darkest secrets in an interview with talk show host Oprah Winfrey at his hometown of Austin, Texas.

MELBOURNE (Reuters) - A welcome wind blew away the stifling heat at Melbourne Park on Friday but there was no diverting Novak Djokovic from his path to a third straight Australian Open title as he marched into the fourth round without giving up a set. Playing with the roof closed on Rod Laver Arena because of a few drops of rain that accompanied the cooler weather, Djokovic's 6-4 6-3 7-5 victory over Radek Stepanek was by no means a cakewalk, however.

Ivanovic ousts Jankovic in battle of thawed Serbs

MELBOURNE (Reuters) - Ana Ivanovic beat fellow Serb and once fierce rival Jelena Jankovic 7-5 6-3 in a battle of former world number ones to reach the fourth round of the Australian Open on Friday. Three years ago or so, a clash between the two would have been in deep into the latter stages of a grand slam, rather than a third-round meeting.

Notre Dame students stunned by college football hoax

SOUTH BEND, Indiana (Reuters) - Notre Dame students on Thursday said they were eager to hear directly from football star Manti Te'o, a day after he and university officials announced Te'o had been duped into believing he had an online relationship with a woman who subsequently died of leukemia. The dramatic story of Te'o playing through the trauma of the death of his girlfriend and grandmother became a prominent theme driving sports coverage of Notre Dame's season. His grandmother did die, but the girlfriend never existed. Notre Dame's athletic director said Te'o was the victim of a cruel hoax.

Fatigue no problem for red-hot Henley

LA QUINTA, California (Reuters) - Four days after winning his maiden PGA Tour title, American rookie Russell Henley made light of a fatigued start to the week as he surged into contention at the Humana Challenge on Thursday. The fresh faced 23-year-old fired an eight-under-par 64 on the Nicklaus Private course at PGA West, ending an ideal day for scoring just one stroke behind his pace-setting compatriots Jason Kokrak, Roberto Castro and James Hahn.

Radwanska stays hot despite cooling temperatures

MELBOURNE (Reuters) - Agnieszka Radwanska smiled, laughed and then dismissed any notions of superstition after she advanced to the fourth round of the Australian Open on Friday. The 23-year-old Pole had earlier romped to a 6-3 6-1 victory over Britain's Heather Watson in the third round, notching her 12th successive victory in 2013.

Arians takes over as head coach of Arizona Cardinals 2013-01-18T025852Z_1_BRE90H04S_RTROPTC_0_US-NFL-CARDINALS.XML () -